FunctionProject/backend/assets/functions/main/calculateAge.js
2020-03-19 22:59:06 +01:00

42 lines
1.8 KiB
JavaScript

const errorHandling = require('../../utils/errorHandling');
const moment = require('moment');
const { requiredFields } = require('../../config/errors');
function calculateAge(currentDate, { birthDateDay, birthDateMonth, birthDateYear }) {
const day = currentDate.getDate();
const month = currentDate.getMonth();
const currentDateMoment = moment([currentDate.getFullYear(), month, day]);
const birthDateMoment = moment([birthDateYear, birthDateMonth - 1, birthDateDay]);
// Calcule l'âge - Moment.js
const ageYears = currentDateMoment.diff(birthDateMoment, 'year');
birthDateMoment.add(ageYears, 'years');
const ageMonths = currentDateMoment.diff(birthDateMoment, 'months');
birthDateMoment.add(ageMonths, 'months');
const ageDays = currentDateMoment.diff(birthDateMoment, 'days');
const isBirthday = (birthDateDay === day && birthDateMonth === (month + 1));
return { ageYears, ageMonths, ageDays, isBirthday };
}
/* OUTPUTS */
exports.calculateAgeOutput = ({ res, next }, argsObject) => {
let { birthDateDay, birthDateMonth, birthDateYear } = argsObject;
birthDateDay = parseInt(birthDateDay);
birthDateMonth = parseInt(birthDateMonth);
birthDateYear = parseInt(birthDateYear);
// S'il n'y a pas les champs obligatoire
if (!(birthDateDay && birthDateMonth && birthDateYear)) {
return errorHandling(next, requiredFields);
}
// Si ce n'est pas une date valide
const currentDate = new Date();
const birthDate = new Date(birthDateYear, birthDateMonth - 1, birthDateDay);
if (!(currentDate > birthDate)) {
return errorHandling(next, { message: "Veuillez rentré une date valide...", statusCode: 400 });
}
return res.status(200).json(calculateAge(currentDate, { birthDateYear, birthDateMonth, birthDateDay }));
}